. >>> there is increasing pressure on japan to expand the evacuation zone around the damaged nuclear power plant. the international atomic energy agency says japanese authorities should consider expanding the zone beyond the current 12-mile radius after high levels of radiation were detected at a village 25 miles from the plant. scientists at uc berkeley are connecting their own tests on the level of radiation from japan on bay area water, milk and grass. now the tests confirm that trace radioactive particles from japan can be detected in bay area reservoirs, in the soil and in the grasses. and since cows eat the grass, the radioactivity is also showing up in milk. >> we're trying to quantify path ways of how this material gets here, how it falls down to the ground, how that then transfers to our water supply. >> the scientists emphasize though that the amount of radioactivity they're finding is extremely small and does not pose any health risk. >>> well, today is the last day shoppers can help with a fundraiser for victims of japan's earthquake, tsunami and nuclear disaster. more than a dozen s
